/Engine/Plugins/Experimental/MeshModelingToolsetExp/Source/MeshModelingToolsExp/Public/MeshVertexPaintTool.h
void ExternalUpdateValues ( const [TArray](API\Runtime\Core\Containers\TArray)< int32 > & ElementIDs, const [TArray](API\Runtime\Core\Containers\TArray)< FVector4f > & NewValues )